11.
Pulmonary Emboli<br />Pulmonary angiogram<br />Catheter in left pulmonary artery from right femoral vein<br />Filling defect (thrombus) in the inferior interlobar branch of the left pulmonary artery<br />

13.
Doppler Ultrasound<br />Doppler principles similar to that of the moving locomotive<br />Determine direction of flow and speed by the doppler (frequency) change of moving blood<br />Color assignment determined by direction of flow with respect to the transducer<br />